201580119

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 329853888

約数和(自身を除く): 128273769

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 173, 207, 299, 433, 519, 897, 1299, 1557, 2249, 2691, 3897, 3979, 5629, 6747, 9959, 11937, 16887, 20241, 29877, 35811, 50661, 51727, 74909, 89631, 129467, 155181, 224727, 388401, 465543, 674181, 973817, 1165203, 1722907, 2921451, 5168721, 8764353, 15506163, 22397791, 67193373, 201580119]

約数ペア:

[(1, 201580119), (3, 67193373), (9, 22397791), (13, 15506163), (23, 8764353), (39, 5168721), (69, 2921451), (117, 1722907), (173, 1165203), (207, 973817), (299, 674181), (433, 465543), (519, 388401), (897, 224727), (1299, 155181), (1557, 129467), (2249, 89631), (2691, 74909), (3897, 51727), (3979, 50661), (5629, 35811), (6747, 29877), (9959, 20241), (11937, 16887)]